package com.qin.gulimall.product.exception;

import com.qin.common.exception.BizCodeEnume;
import com.qin.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 */
@Slf4j
@RestControllerAdvice(basePackages = "com.qin.gulimall.product.controller")
public class GuliMallExceptionControllerAdvice {

    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
        log.error("数据校验出现异常：{}",e.getMessage());

        Map<String,String> errorMap = new HashMap<>();
        BindingResult result = e.getBindingResult();

        result.getFieldErrors().forEach((fieldError)->{
            errorMap.put(fieldError.getField(),fieldError.getDefaultMessage());
        });

        return R.error(BizCodeEnume.VALID_EXCEPTION.getCode(),BizCodeEnume.VALID_EXCEPTION.getMsg()).put("data",errorMap);
    }

    @ExceptionHandler(value = Throwable.class)
    public R handlerException(Throwable throwable){
        log.info("出现异常原因：{}",throwable.getCause());
        log.info("出现异常消息：{}",throwable.getMessage());
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }
}
